Harvard business school grad struck up friendship with Warren Buffett (see) in 1962. Early investor in Berkshire Hathaway; today owns 19,000 shares worth $1.8 billion. Founded investment advisory firm First Manhattan 1964; assets believed to exceed $10 billion. Joined Berkshire board of directors in 2003. Sits on board of American Museum of Natural History in New York. Avid swimmer.

Distribution of the Forbes 400 by U.S. State

Diameter of disc reflects size of fortune. The red disc indicates David Gottesman

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